linux-kernel - [PATCH v2 012/144] KVM: selftests: Use vcpu_access_device

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Message-Id: <20220603004331.1523888-13-seanjc@google.com>
Date:   Fri,  3 Jun 2022 00:41:19 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     kvm@...r.kernel.org, Vitaly Kuznetsov <vkuznets@...hat.com>,
        Andrew Jones <drjones@...hat.com>,
        David Matlack <dmatlack@...gle.com>,
        Ben Gardon <bgardon@...gle.com>,
        Oliver Upton <oupton@...gle.com>, linux-kernel@...r.kernel.org
Subject: [PATCH v2 012/144] KVM: selftests: Use vcpu_access_device_attr() in
 arm64 code

Use vcpu_access_device_attr() in arm's arch_timer test instead of
manually retrieving the vCPU's fd.  This will allow dropping vcpu_get_fd()
in a future patch.

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 tools/testing/selftests/kvm/aarch64/arch_timer.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index 3b940a101bc0..f55c4c20d8b3 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -349,12 +349,10 @@ static void test_run(struct kvm_vm *vm)
 static void test_init_timer_irq(struct kvm_vm *vm)
 {
 	/* Timer initid should be same for all the vCPUs, so query only vCPU-0 */
-	int vcpu0_fd = vcpu_get_fd(vm, 0);
-
-	kvm_device_access(vcpu0_fd, KVM_ARM_VCPU_TIMER_CTRL,
-			KVM_ARM_VCPU_TIMER_IRQ_PTIMER, &ptimer_irq, false);
-	kvm_device_access(vcpu0_fd, KVM_ARM_VCPU_TIMER_CTRL,
-			KVM_ARM_VCPU_TIMER_IRQ_VTIMER, &vtimer_irq, false);
+	vcpu_access_device_attr(vm, 0, KVM_ARM_VCPU_TIMER_CTRL,
+				KVM_ARM_VCPU_TIMER_IRQ_PTIMER, &ptimer_irq, false);
+	vcpu_access_device_attr(vm, 0, KVM_ARM_VCPU_TIMER_CTRL,
+				KVM_ARM_VCPU_TIMER_IRQ_VTIMER, &vtimer_irq, false);
 
 	sync_global_to_guest(vm, ptimer_irq);
 	sync_global_to_guest(vm, vtimer_irq);
-- 
2.36.1.255.ge46751e96f-goog